Memory Management Overhead

Source code: oil/benchmarks/gc.sh

GC Stats

task elapsed ms max gc millis total gc millis allocated MB max rss MB num allocated num gc points num gc done gc threshold num growths max survived shell label
parse.configure-cpython 36 3 9 12.0 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 156 26 69 46.1 51.4 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,289 478 3 85,334 1 42,667 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.4 dash -
24 19 4 3.0 bash -
104 66 44 3.5 zsh -
16 12 4 28.7 bumpleak/osh mut
20 8 12 30.3 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.0 osh-native mut+alloc
33 14 18 25.6 osh-native mut+alloc+free
36 31 4 17.8 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
42 23 19 32.2 _bin/cxx-opt+nopool/osh mut+alloc
49 41 8 22.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.configure-coreutils

Parsing the autoconf-generated configure script from GNU coreutils.

Note that unlike other shells, osh -n retains all nodes on purpose. (See the parser benchmark).

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
22 18 4 1.4 dash -
78 74 4 3.1 bash -
378 230 168 3.5 zsh -
48 44 4 85.9 bumpleak/osh mut
59 43 16 85.6 _bin/cxx-opt+bumproot/osh mut
69 50 19 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
102 65 37 73.4 osh-native mut+alloc
105 81 24 75.3 osh-native mut+alloc+free
156 144 12 51.4 osh-native mut+alloc+free+gc
160 140 20 52.2 osh-native mut+alloc+free+gc+exit
139 98 41 97.5 _bin/cxx-opt+nopool/osh mut+alloc
231 199 32 71.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 2 0 1.3 dash -
6 3 3 2.9 bash -
8 8 0 3.3 zsh -
6 6 0 11.3 bumpleak/osh mut
6 6 0 10.8 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 8 0 9.8 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
10 10 0 1.4 dash -
28 28 0 2.9 bash -
23 16 8 3.3 zsh -
19 19 0 31.7 bumpleak/osh mut
26 22 4 32.7 _bin/cxx-opt+bumproot/osh mut
29 24 4 31.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
38 30 8 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 27 0 8.0 osh-native mut+alloc+free+gc+exit
55 35 20 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
72 72 0 3.1 bash -
168 120 48 55.3 bumpleak/osh mut
178 135 44 55.7 _bin/cxx-opt+bumproot/osh mut
192 100 92 55.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 146 63 47.0 osh-native mut+alloc
214 170 43 48.6 osh-native mut+alloc+free
181 110 71 8.7 osh-native mut+alloc+free+gc
181 125 55 8.8 osh-native mut+alloc+free+gc+exit
232 151 80 62.4 _bin/cxx-opt+nopool/osh mut+alloc
210 133 77 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
10 10 0 3.4 dash -
20 13 7 4.5 bash -
18 11 7 3.4 zsh -
20 17 3 12.4 bumpleak/osh mut
20 15 5 12.6 _bin/cxx-opt+bumproot/osh mut
21 18 4 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 7 15 10.9 osh-native mut+alloc
23 7 16 11.1 osh-native mut+alloc+free
23 20 3 8.9 osh-native mut+alloc+free+gc
24 20 4 8.8 osh-native mut+alloc+free+gc+exit
25 11 14 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc